An alpha particle (mass = 6.68 x 10-27 kg) is emitted from a radioactive nucleus with an energy of 5.00 MeV.How fast is the alpha particle moving in m/s? (1 MeV = 1.6 x 10-13 J)
A) 2.40 x 107 m/s
B) 1.55 x 107 m/s
C) 3.70 x 106 m/s
D) 1.85 x 106 m/s
Correct Answer:
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